Dressler Syndrome After Minimally Invasive Coronary Artery Bypass Surgery

J Am Board Fam Pract: first published as 10.3122/jabfm.17.3.230 on 29 June 2004. Downloaded from Dressler Syndrome after Minimally Invasive Coronary Artery Bypass Surgery LT Carie Fletcher, MC, USNR, CDR Cary Ostergaard, MC, USN, and LCDR Robert Menzies, MC, USNR Dressler syndrome is a well-known complication of air. Pulmonary examination revealed dullness to myocardial infarction and postsurgical instrumen- percussion with decreased breath sounds and de- tation of the pericardium (as postpericardiotomy creased tactile fremitus at the left base. No murmur syndrome). Also called postmyocardial infarction or rub was noted on cardiac examination. There syndrome, it typically occurs 3 weeks to several was no pedal edema or calf tenderness. months after the surgery, with symptoms of fatigue, Results of laboratory tests were notable for a malaise, fever, chest pain, pleurisy, pneumonia, and white blood cell count of 12,900, hemoglobin of 1 left shoulder pain. Diagnostic evaluation may re- 10.7 g/dL, and platelet count of 694,000. Cardiac veal an elevated sedimentation rate, leukocytosis, enzymes were within normal limits. Chest radio- 2 eosinophilia, pericarditis, and pleural effusions. graph showed left greater than right pleural effu- Minimally invasive coronary artery bypass graft sions with right lower lobe atelectasis (Figure 1). A (CABG) surgeries avoid full midline sternotomy, left lower lobe consolidation could not be excluded. aortic cannulation/manipulation, and use of cardio- Electrocardiogram showed no significant changes. pulmonary bypass and achieve the same beneficial The patient was admitted to the hospital for effect as traditional bypass surgeries with lower presumed community-acquired pneumonia and 3 rates of complications. Although an English-lan- started on azithromycin and ceftriaxone. Despite 3 guage literature review from 1996 to 2003 revealed days of antibiotic therapy, the patient continued to no reports of Dressler syndrome after minimally have fevers (100.1°F to 100.2°F) each afternoon invasive CABG, the following case indicates that and reported no subjective improvement. Blood Dressler syndrome can occur after this procedure, cultures and electrocardiogram were normal. The probably because the pericardium is breached. platelet count remained high at 897,000, and eryth- rocyte sedimentation rate (ESR) was noted to be http://www.jabfm.org/ Case Reports 122 mm/hour. A repeat chest radiograph was es- A 78-year-old woman presented to the family prac- sentially unchanged. Decubitus films and an ultra- tice office complaining of fatigue, malaise, and dys- sound revealed a small left-sided pleural effusion pnea since her minimally invasive CABG surgery 1 that was not amenable to thoracentesis. A definite month earlier. Three days before admission, she area of consolidation could not be identified on the also developed a dry cough and pleuritic chest pain. decubitus films. Echocardiogram was negative for a on 2 October 2021 by guest. Protected copyright. One day before admission, she noted a fever. She pericardial effusion. denied exertional chest pain, hemoptysis, pedal A diagnosis of Dressler syndrome was consid- edema, or calf pain. On physical examination, her ered, and treatment was initiated with indometha- temperature was 100.4°F, pulse was 106 beats/min, cin. The patient’s temperature subsequently nor- respiration was 20 breaths/min, and pulse oximetry malized within 24 hours. The patient began to feel measured 98% blood oxygen saturation on room some subjective improvement, although her platelet count remained high at 990,000 and the ESR remained elevated at 142 mm/hour. Indomethacin Submitted, revised, 16 July 2003. From the Family Practice Department, Naval Hospital was discontinued and 20 mg of prednisone was Pensacola, Pensacola, Florida. Address correspondence to given twice daily. The patient was discharged home LT Carie Fletcher, MC, USNR, Family Practice Depart- ment, Naval Hospital Pensacola, 6000 Highway 98 West, on hospital day 8. At follow-up 2 weeks later, she Pensacola, FL 32512. was subjectively improved while taking the steroids, The opinions presented in this article represent those of the authors and do not represent the opinions of the United and the ESR and platelet count had decreased to 53 States Navy. mm/hour and 330,000, respectively. Her hemoglo- 230 JABFP May–June 2004 Vol. 17 No. 3 J Am Board Fam Pract: first published as 10.3122/jabfm.17.3.230 on 29 June 2004. Downloaded from for characterization and symptomatic relief.4 Up to 75% of patients may have a friction rub, and most will have a pericardial effusion on echocardiogra- phy.4 The differential diagnosis should include con- gestive heart failure, pulmonary embolism, pneumonia, myocardial infarction, and possible malig- nancy.5 The clinical appearance of the patient should guide the workup, which may include thoracentesis, ventilation-perfusion scan, blood cultures and cardiac enzymes as indicated. The cause of Dressler syndrome is unknown, although an autoimmune link has been proposed.2 Antimyocardial antibodies are often observed sero- Figure 1. Chest radiograph taken on patient logically but are of little clinical significance.4 It is admission. unclear whether the anti-heart antibodies precipi- tate or result from the syndrome.5 In a report of bin had increased to 12.1 g/dL. Follow-up chest patients undergoing surgical procedures involving radiograph (Figure 2) showed almost complete res- the pericardium, all those who had high titers of olution of the pleural effusion and no evidence of a anti-heart antibodies subsequently developed consolidation. Dressler syndrome. Those without the rise in titers failed to develop the syndrome.5 An early pericar- Discussion dial reaction may predispose a patient to Dressler Dressler syndrome has an incidence of approxi- syndrome and may represent a delayed autoim- mately 5% after cardiac events, with 50% being mune or inflammatory response to a focal pericar- diagnosed in the second or third week after infarc- ditis.4 tion.4 The syndrome may have a higher incidence Treatment for Dressler syndrome is aspirin or (up to 30%) after surgical procedures and is typi- nonsteroidal anti-inflammatory drugs to decrease cally characterized by low-grade fever, malaise, and fever and pain.4,6 Corticosteroids may be used for left-sided pleuritic pain.2,5 Leukocytosis, an ele- persistent symptoms.4,6 Recurrence is common, vated sedimentation rate, eosinophilia, and anti- and relapses have been reported up to 1 year after http://www.jabfm.org/ heart antibodies are expected.4 Chest radiograph the initial event.4,6 Serious complications include will identify pleural effusions in up to 60% of the cardiac tamponade, constrictive pericarditis, and cases, and these effusions may require thoracentesis occlusion of the bypass graft.4 Although not a common disorder, Dressler syndrome should be considered in those patients who have persistent fatigue and malaise after a myocar- on 2 October 2021 by guest. Protected copyright. dial infarction or CABG procedure, especially with onset greater than 2 weeks after the event. Our patient’s presentation, lack of other identifiable cause, and prompt response to treatment suggested Dressler syndrome. We could find no other reported cases of Dressler syndrome after minimally invasive CABG in the English literature. Minimally invasive CABG, which does not require sternotomy or cardiac standstill, was developed as an alternative to standard CABG. Because the integrity of the pericardium is breached during minimally invasive CABG, albeit to a lesser degree Figure 2. Chest radiograph taken after 2 weeks of than with standard CABG, Dressler syndrome may steroid therapy. be an expected sequela. This case indicates that Dressler Syndrome and Coronary Artery Bypass Surgery 231 J Am Board Fam Pract: first published as 10.3122/jabfm.17.3.230 on 29 June 2004. Downloaded from Dressler syndrome may follow minimally invasive 3. Subramanian V, Patel N. Current status of MID- CABG. CAB procedure. Curr Opin Cardiol 2001;16:268– 70. 4. Clinical conferences at the Johns Hopkins Hospital. References The Dressler syndrome. Johns Hopkins Med J 1981; 1. Dorland’s illustrated medical dictionary. 28th ed. 148:179–82. Philadelphia: WB Saunders; 1994. 5. Light RW. Pleural diseases. 2nd ed. Malvern (PA): 2. Braunwald E, Zipes DP, Libby P, editors. Heart Lea and Febiger; 1990. disease: a textbook of cardiovascular medicine. 6th 6. Prince SE, Cunha BA. Postpericardiotomy syn- ed. Philadelphia: WB Saunders; 2001. drome. Heart Lung 1997;26:165–8. http://www.jabfm.org/ on 2 October 2021 by guest. Protected copyright. 232 JABFP May–June 2004 Vol. 17 No. 3.

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